Each of the brackets is intended to represent a different level of play
With Forbidden Droplet, you can send any number of cards from your hand to the graveyard and target the same number of monsters that your opponent controls
Early game, to help get set up and the shenanigans started, I want to ideally Marshadow turn 1, get Wobbuffet into the active to help slow the opposing deck down and potentially get Spectrier set up to help fix the damage numbers against targets like Wailord or any mon with cape and such attached
I view it as the more the merrier
This one is a Boss monster that requieres a lot of investment to be full power: 5 different names to have protections, DM to have ATK increased and Palladium to have an omninegate, also needs the DMG as material
Rebbec, Architect of Ascension Rebbec, Architect of Ascension grants a pretty wide swath of protection from spot removal, which is a useful service for the artifact commanders that might want a spot of white to partner with this artificer, like Silas Renn, Seeker Adept, Ich-Tekik, Salvage Splicer, and a few others